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Theorems · Theorem · field theory

Polynomial.coeff_map

∀ {R : Type u} {S : Type v} [inst : Semiring R] {p : Polynomial R} [inst_1 : Semiring S] (f : R →+* S) (n : ℕ),
  (Polynomial.map f p).coeff n = f (p.coeff n)
Defined in
Mathlib.Algebra.Polynomial.Eval.Coeff
Cited by
114 results in Mathlib
Foundations
Depth 106 from the axioms, rests on 1,835 definitions · uses propext, Classical.choice, Quot.sound
Assumes
SemiringSemiring

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Polynomial.map_map · cited by 75Polynomial.map_mapPolynomial.map_injective · cited by 27Polynomial.map_injectivePolynomial.Monic.natDegree_map · cited by 21Monic.natDegree_mapPolynomial.derivative_map · cited by 17Polynomial.derivative_mapPolynomial.map_id · cited by 15Polynomial.map_idPolynomial.degree_map_eq_of_leadingCoeff_ne_zero · cited by 9Polynomial.degree_map_eq_…Polynomial.leadingCoeff_map_of_injective · cited by 8Polynomial.leadingCoeff_m…Polynomial.degree_map_le · cited by 7Polynomial.degree_map_lePolynomial.map_expand · cited by 7Polynomial.map_expandPolynomial.map_toSubring · cited by 6Polynomial.map_toSubringPolynomial.leadingCoeff_map_of_leadingCoeff_ne_zero · cited by 5Polynomial.leadingCoeff_m…NumberField.Embeddings.finite_of_norm_le · cited by 4Embeddings.finite_of_norm…Polynomial.eval_zero_map · cited by 4Polynomial.eval_zero_mapPolynomial.mem_map_rangeS · cited by 4Polynomial.mem_map_rangeSPolynomial.polynomial_map_coe · cited by 3Polynomial.polynomial_map…DFunLike.coe · cited by 62936DFunLike.coeSemiring · cited by 13802SemiringRingHom · cited by 10189RingHomPolynomial · cited by 5681Polynomialmul_one · cited by 3885mul_oneFinset.sum_congr · cited by 2323Finset.sum_congrMulZeroClass.mul_zero · cited by 2091MulZeroClass.mul_zeroPolynomial.X · cited by 1639Polynomial.Xmap_zero · cited by 1614map_zeroPolynomial.C · cited by 1598Polynomial.CPolynomial.coeff · cited by 1045Polynomial.coeffRingHom.comp · cited by 899RingHom.compPolynomial.map · cited by 806Polynomial.mapPolynomial.support · cited by 237Polynomial.supportmul_ite · cited by 159mul_itePolynomial.coeff_mapCITED BYCITES

Cites20

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by114

Results whose statement or proof uses this declaration.